diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2024-06-16 21:21:25 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2024-07-08 13:47:25 -0400 |
| commit | e12912d94137ab36ee704a91f465ff15c8b423da (patch) | |
| tree | e71b63ceb686326a7ea6fb62c903ad5d22e562d5 /fs/nfs/write.c | |
| parent | 4201916f2ab13577d45876f4bc784be55e4a83da (diff) | |
NFSv4: Add support for delegated atime and mtime attributes
Ensure that we update the mtime and atime correctly when we read
or write data to the file and when we truncate. Let the server manage
ctime on other attribute updates.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index be19ac3110d1..f5414c96381a 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -289,6 +289,8 @@ static void nfs_grow_file(struct folio *folio, unsigned int offset, NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_SIZE; nfs_inc_stats(inode, NFSIOS_EXTENDWRITE); out: + /* Atomically update timestamps if they are delegated to us. */ + nfs_update_delegated_mtime_locked(inode); spin_unlock(&inode->i_lock); nfs_fscache_invalidate(inode, 0); } @@ -1514,6 +1516,13 @@ void nfs_writeback_update_inode(struct nfs_pgio_header *hdr) struct nfs_fattr *fattr = &hdr->fattr; struct inode *inode = hdr->inode; + if (nfs_have_delegated_mtime(inode)) { + spin_lock(&inode->i_lock); + nfs_set_cache_invalid(inode, NFS_INO_INVALID_BLOCKS); + spin_unlock(&inode->i_lock); + return; + } + spin_lock(&inode->i_lock); nfs_writeback_check_extend(hdr, fattr); nfs_post_op_update_inode_force_wcc_locked(inode, fattr); |